|Topic:||What do peptides do in nature? .|
|Details:|| Most often, peptides are regulators of the activity of other molecules (e.g. of proteins). This regulation is achieved by interaction of the peptide with the target molecule. Thus, there are peptides with hormonal activity, others with antibiotic activity, etc. Some peptides are directly sinthesized by the organism, and some others are product of hydrolisis (degradation) of proteins. Some of the peptides originated by hydrolisis have a determined function, while others are just further degraded to smaller units.
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